Portable stove



FIG. 1 is a front, top, and left side perspective view of a portable stove, showing our new design;

FIG. 2 is a back, top, and right side perspective view thereof;

FIG. 3 is a front, bottom, and left side perspective view thereof;

FIG. 4 is a back, bottom, and left side perspective view thereof;

FIG. 5 is a front, bottom, and left side perspective view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a back view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a left side view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a front, top, and left side perspective view thereof, in use condition;

FIG. 13 is a front, top, and left side exploded perspective view thereof;

FIG. 14 is a back, top and right side exploded perspective view thereof; and,

FIG. 15 is a back, top, and right side perspective view thereof, in use condition.

The broken lines in the drawing views represent environment structure and form no part of the claimed design. 

CLAIM The ornamental design for a portable stove, as shown and described. 